Interesting comment from an online board
"Any Ford Truck with a 5.4L Engine The 5.4L 3-valve engines used in Ford Trucks from 2004 to 2010 develop camshaft phaser issues, especially when engines exceed the 100,000 mile mark. The first sig...
Forum Discussion
Just talked to a guy tonight that said he had 6 out of 8 sparkplugs break when he tried to remove them. It turned out to be an 8 hour job just to change spark plugs after he got the tool to get the broken sparkplugs out. OTOH I changed out the plugs in a 2004 and it was a non-issue. They were the standard plugs and came right out.
